Question about Sony Grand WEGA KDF-42WE655 42" Rear Projection HDTV

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Lg42px5d my tv wont turn on it just stays in standby sonytv KDF-E55A20 turns off on its on

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This is usually from a scan failure or the CRT has failed.

Sometimes in these sets, when the CRT is on the edge of failing the set may come on, and then turn off. If the CRT is weak, the AKG circuits see a fault condition and cause the uPC to shout the high voltage and screen bias.

If there is a scan failure occurring, the power supply goes in to a the protection mode.


Jerry G.

Posted on Apr 27, 2008

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Posted on Jan 02, 2017

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Lg42px5d


This could be from a failed power supply, or a failure in the management area, or a short on one of the boards which is shutting down the power supply.

Jerry G.

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